David Walsh Blog

• By David WalshJuly 17, 2023

  URL.canParse

  Parsing of URLs on the client side has been a common practice for two decades. The early days included using illegible regular expressions but the JavaScript specification eventually evolved into a new URL method of parsing URLs. While URL is incredibly useful when a valid URL...

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• By David WalshJuly 5, 2023

  JavaScript closest

  When it comes to finding relationships between elements, we traditionally think of a top-down approach. We can thank CSS and querySelector/querySelectorAll for that relationship in selectors. What if we want to find an element's parent based on selector?To look up the element tree and find...

• By David WalshJuly 5, 2023

  ChatGPT via WYSIWYG

  Artificial intelligence applications have hit like a massive wave over this past year, with ChatGPT being the most prominent. ChatGPT can take any written command and suggest content to match. What better than having the power of AI content creation than doing so within your own...

• By David WalshJune 26, 2023

  JavaScript: Reverse Arrays

  Manipulating data is core to any programming language. JavaScript is no exception, especially as JSON has token over as a prime data delivery format. One such data manipulation is reversing arrays. You may want to reverse an array to show most recent transactions, or...

• By David WalshJune 12, 2023

  Confessions of a Web Developer XX

  It's been quite a while since I've gotten a few things off of my chest and since I'm always full of peeves and annoyances I thought it was time to unleash:One day you're getting recruited by another crypto wallet vendor, the next their users are getting...

• By David WalshJune 1, 2023

  How to Create a Screen Recording with Quicktime

  Creating screen recordings is an essential skill for web developers. Screen recordings can illustrate new features, bugs, or a variety of other ideas. I'm often asked what app I use to create screen recordings and people are shocked when I tell them Quicktime!

• By David WalshMay 9, 2023

  Restart Mac From Command Line

  Restarting and shutting down a computer remotely is a frequent task for remote system administrators. As someone that writes many shell scripts, I also find myself automating system restarts. Let's look at a few ways to restart Mac systems from command line!Restart a Local MacTo...

• By David WalshMay 8, 2023

  How to Use Your Domain on Bluesky

  Bluesky is a hot new social networking platform that functions like Twitter from Twitter's original founder. New users are flooding into the platform as a respite from Elon Musk's vision of Twitter and the fumbles that have happened since his takeover. Upon signing up...

• By David WalshMay 2, 2023

  10 Great Multipurpose WordPress Themes

  Multipurpose themes are flexible WordPress templates that can be used to create virtually any kind of website. They are often best-sellers, and because they are so popular there are a lot of them to choose from. Too many in fact unless you have time to spare...

• By David WalshMay 1, 2023

  How to Blur Faces in a Video from Command Line

  Privacy is always incredibly important, especially with visual media where you may not have the permission of individuals in the video. If you're filming something in public, it's likely you'll catch someone's face who simply doesn't want or need to be identified. This recently...